Bolo Tines; Tine Inspection; To Drain The Transmission Gear Oil; Removing/Installing A Single Time - Troy-Bilt TUFFY 634BM Operator's Manual

WARNING: Beforeinspecting, cleaning or servicing the machine,shut off engine, wait for all
moving parts to come to a complete stop, disconnect spark plug wire and move wire away from
spark plug. Failureto follow these instructions can result in serious personalinjury or property
damage.
4. The gear oil level is correct if the gear B. To Drain the TransmissionGear Oil:
oil is approximately halfway up the side of
the main drive shaft.
5. If the gear oil level is low. add gear oil
as described next. If the gear gellevel is
okay, securely replacethe oil fill plug.
IMPORTANT: Do not operatethe tiller if the
gear oil level is low. Doing so will result i_
severe damageto the transmission com-
ponents.
Figure 5-2: Remove oil fittplug (.4) to check
gear oil level andto add gear oil. Remove
fourcoverscrews (B) to drain gear oil.
6. If adding only a few ounces of gear oil.
useAPI rated GL-4 or GL-5 gear oil having
a wscosEtyof SAE 140. SAE85W-140 or
SAE 80W-90. If refilling an empty trans-
mission, use only GL-4 gear oil having a
viscosity of SAE 85W-140 or SAE 140.
IMPORTANT:Do not use automatic trans-
mission fluid or motor oil in the transmis-
sion.
7. While checking frequently to avoid
overfilling, slowly add gear oil into the oil
fill hole until it reachesthe halfway point on
the drive shaft.
8. Securely replacethe oil fill plug.
BOLO TINES
Thetransmission gear oil does not need to The bole tines will wear with use and
be changed unless it has been contaminat- should be inspected at the beginning of
ed with dirt sand or metal particles, eachtilling season and after every 30 oper-
1. Drain gasolinefrom the fuel tank or run ating hours. The tines can be replacedel-
the engine until the fuel tank is empty. See ther individually or as a complete set. See
'DANGER" statement below.
WARNING: Gasolineis
highly flammable and its vapors
are explosive. Follow these
safety practicesto prevent
personal injury or proper_y
damage from fire or explosion.
• Allowthe engineand mufflerto coolfor
at least two minutes before draining the
tiger's gasolinetank.
• Do not allow open flames, sparks,
matchesor smokingin the area.
• Wipe away spills and pushtiller away
from spilled fuel.
• Use only an approved fuel container
the Parts Lisl pagesfor tine identification
and part numbers,
A. Tine Inspection:
With use the tines will become shorter.
narrower and pointed. Badlyworn tines
will result in a loss of tilling depth, and re-
duced effectivenesswhen chopping up
and turning under organic matter.
B. Removin_nstalling a Single Tine:
1. With the engine shut off and the spark
plug wire disconnected, remove the two
screws IA, Figure5-3), Iockwahers (Eband
nuts (B) that attach a single tine to a tine
holder. If needed,use penetrating oil on
the nuts.
and store it safely outof the reach of chil- 2. When installing a single tine. be sureto
dren.
• Do not store gasolinein an area where
its vapors could reach an open flame or
spark, or where ignition sources are
present (such as hot water and space
heaters, furnaces, clothes dryers,
stoves, electric motors, etc.)
2. Drain the oil from the engine.
3. Removefour screws (B, Figure5-2) and
removetransmissioncover and gasket.
4. Removethe left-side wheel.
5. Tilt the left-side wheel shaft into a drain
pan and allow the gear oil to drain through
the top of the transmission.
6. Reinstall the wheel.
7. Install a new gasket (do not reuse old
gasket and reinstall the transmission cov-
er.
position it so that its cutting edge (sharp)
will enter the soil first as the rifler moves
forward.
C. Removin_nstalling a Tine Assembly:
1. A tine assembly consists of eight tines
mounted on a tine ilolder.
2. If removing both tine assemblies mark
them "left" and "right" before removal.
Removethe screw (C, Figure 5-3), lock
washer (E_and Iocknut [D that secure the
tine assembly to the tine shaft. If neces-
sary, use a rubber mallet to tap the tine as-
sembly outward off the shaft.
3. Before reinstalling the tine assembly, in-
spect the tine shaft for rust, rough spots or
burrs. Lightly file or sand. as needed. Ap-
ply a thin coat of greaseto the shaft.
4. Install each tine assembly so that the
cutting (sharp) edge of the tines will enter
8. Refill the transmission using GL-4 gear the soil first whenthe tiller moves forward.
ozltSAE 85W-140 or SAE140). Securethe tine assembly to the tine shaft
9. Refill the engine with motor oil and re- using the screw and Iocknut
plenish the fuel tank with gasoline.
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